<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- written in domitory computer -->
    <div id="app">
        <cpn :number1="num1" :number2="num2" @num1change="num1change" @num2change="num2change"></cpn>
    </div>

    <template id="cpn">
        <div>
            <h2>props:{{number1}}</h2>
            <h2>data:{{dnumber1}}</h2>
            <!-- <input type="text" v-model="dnumber1"> -->
            <!-- <input type="text" :value="dnumber1" @input="dnumber1=$event.target.value"> -->
            <input type="text" :value="dnumber1" @input="num1Input">
            <h2>props:{{number2}}</h2>
            <h2>data:{{dnumber2}}</h2>
            <!-- <input type="text" v-model="dnumber2"> -->
            <input type="text" :value="dnumber2" @input="num2Inupt">


        </div>
    </template>

    <script src="../vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                num1: 1,
                num2: 0
            },
            methods: {
                num1change(value) {
                    this.num1 = parseFloat(value)
                },
                num2change(value) {
                    this.num2 = parseFloat(value)

                }
            },
            components: {
                cpn: {
                    template: '#cpn',
                    props: {
                        number1: Number,
                        number2: Number
                    },
                    data() {
                        return {
                            dnumber1: this.number1,
                            dnumber2: this.number2
                        }
                    },
                    methods: {
                        num1Input() {
                            this.dnumber1 = event.target.value
                            this.$emit('num1change', this.dnumber1)
                            this.dnumber2 = this.dnumber1 * 100
                            this.$emit('num2change', this.dnumber2)

                        },
                        num2Inupt() {
                            this.dnumber2 = event.target.value
                            this.$emit('num2change', this.dnumber2)
                            this.dnumber1 = this.dnumber2 / 100
                            this.$emit('num1change', this.dnumber1)


                        }
                    }
                }
            }
        })
    </script>
</body>
</html>